archesporial


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Words related to archesporial

of or relating to the cells in a sporangium that give rise to spores

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References in periodicals archive ?
A row of sporogenous cells derived from archesporial cells produced a large number of microspore mother cells after several mitotic divisions (Fig.
Different sized flower buds, spanning the stages from archesporial cells to mature embryo sacs, were fixed in formalin-acetic acid-alcohol (FAA).
An archesporial cell in the nucellus tissue would directly develop into a megasporocyte that subsequently formed the megaspore tetrads aftermeiosis.
Thus, the irregularly shaped archesporial cell displaying bipolarity is gradually transformed into a distinctive quadripolar sporocyte with four tetrahedral spore domains at the onset of meiotic prophase.
Archesporial cells are continually produced in this basal meristem and mature spores are released from the slit-like apertures in the apical region of the sporangium.
Formation of anther wall: In early stage of development, several rows of archesporial cells differentiated beneath the epidermis of the anthers.
The bombshell was primed by Overton (1893) who reported that pollen mother cells possessed a reduced number of chromosomes relative to archesporial cells.
The size and shape of stamen primordia for both types of flowers are almost the same, and the first noticeable difference during their development usually occurs at the archesporial cell stage (Hill & Lord, 1990; Lord, 1982; Minter & Lord, 1983).